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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Mon, 2 Aug 2010 10:59:24 +0000 (UTC)
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Subject: svn commit: r210750 - head/bin/sleep
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Author: kib
Date: Mon Aug  2 10:59:23 2010
New Revision: 210750
URL: http://svn.freebsd.org/changeset/base/210750

Log:
  Document the new argument parser for sleep(1) and SIGINFO behaviour.
  Remove higlight for the unportability notice.
  
  MFC after:	3 weeks

Modified:
  head/bin/sleep/sleep.1

Modified: head/bin/sleep/sleep.1
==============================================================================
--- head/bin/sleep/sleep.1	Mon Aug  2 10:57:56 2010	(r210749)
+++ head/bin/sleep/sleep.1	Mon Aug  2 10:59:23 2010	(r210750)
@@ -51,6 +51,10 @@ suspends execution for a minimum of
 If the
 .Nm
 command receives a signal, it takes the standard action.
+When the
+.Dv SIGINFO
+signal is received, the estimate of the amount of seconds left to
+sleep is printed on the standard output.
 .Sh IMPLEMENTATION NOTES
 The
 .Dv SIGALRM
@@ -58,14 +62,11 @@ signal is not handled specially by this 
 .Pp
 The
 .Nm
-command will accept and honor a non-integer number of specified seconds
-(with a
-.Ql .\&
-character as a decimal point).
-.Bf Sy
+command allows and honors a non-integer number of seconds to sleep
+in any form acceptable by
+.Xr strtod 3 .
 This is a non-portable extension, and its use will nearly guarantee that
 a shell script will not execute properly on another system.
-.Ef
 .Sh EXIT STATUS
 .Ex -std
 .Sh EXAMPLES